I'm gonna wash bad socks right outta my hair, I'm gonna wash bad socks right outta my hair, I'm gonna wash bad socks right outta my hair, and wear these (fantastic) ones todayyyyy. S/M fits women's shoe size 5-9/men's shoe size 4-8. L/XL fits womens's shoe size 9-13/men's shoe size 8-12. 92% organic cotton, 7% polyester, 1% spandex.